An incandescent light bulb contains a thin wire filament that glows hot when an electric current is run through it. |
As you know from replacing light bulbs, there is a large, thin, frosted glass envelope in the familiar light bulb shape. |
Lewis Latimer, the son of runaway slaves, became an electrical engineer and invented an inexpensive process for making light bulb filaments. |
You come out the other, and it's like a light bulb has flashed inside your head. |
There's a light bulb glowing over my head that is brighter than the flaring of a sour gas well. |
A regular incandescent light bulb relies on the fact that all bodies with a temperature greater than absolute zero emit radiation. |